ScanResults Scsi()
{
var results = new ScanResults();
MhddLog mhddLog;
IbgLog ibgLog;
byte[] senseBuf;
bool sense = false;
results.Blocks = 0;
uint blockSize = 0;
ushort currentProfile = 0x0001;
if (_dev.IsRemovable)
{
sense = _dev.ScsiTestUnitReady(out senseBuf, _dev.Timeout, out _);
if (sense)
{
InitProgress?.Invoke();
FixedSense?decSense = Sense.DecodeFixed(senseBuf);
if (decSense.HasValue)
{
if (decSense.Value.ASC == 0x3A)
{
int leftRetries = 5;
while (leftRetries > 0)
{
PulseProgress?.Invoke("Waiting for drive to become ready");
Thread.Sleep(2000);
sense = _dev.ScsiTestUnitReady(out senseBuf, _dev.Timeout, out _);
if (!sense)
{
break;
}
leftRetries--;
}
if (sense)
{
StoppingErrorMessage?.Invoke("Please insert media in drive");
return(results);
}
}
else if (decSense.Value.ASC == 0x04 &&
decSense.Value.ASCQ == 0x01)
{
int leftRetries = 10;
while (leftRetries > 0)
{
PulseProgress?.Invoke("Waiting for drive to become ready");
Thread.Sleep(2000);
sense = _dev.ScsiTestUnitReady(out senseBuf, _dev.Timeout, out _);
if (!sense)
{
break;
}
leftRetries--;
}
if (sense)
{
StoppingErrorMessage?.
Invoke($"Error testing unit was ready:\n{Sense.PrettifySense(senseBuf)}");
return(results);
}
}
// These should be trapped by the OS but seems in some cases they're not
else if (decSense.Value.ASC == 0x28)
{
int leftRetries = 10;
while (leftRetries > 0)
{
PulseProgress?.Invoke("Waiting for drive to become ready");
Thread.Sleep(2000);
sense = _dev.ScsiTestUnitReady(out senseBuf, _dev.Timeout, out _);
if (!sense)
{
break;
}
leftRetries--;
}
if (sense)
{
StoppingErrorMessage?.
Invoke($"Error testing unit was ready:\n{Sense.PrettifySense(senseBuf)}");
return(results);
}
}
else
{
StoppingErrorMessage?.
Invoke($"Error testing unit was ready:\n{Sense.PrettifySense(senseBuf)}");
return(results);
}
}
else
{
StoppingErrorMessage?.Invoke("Unknown testing unit was ready.");
return(results);
}
EndProgress?.Invoke();
}
}
Reader scsiReader = null;
switch (_dev.ScsiType)
{
case PeripheralDeviceTypes.DirectAccess:
case PeripheralDeviceTypes.MultiMediaDevice:
case PeripheralDeviceTypes.OCRWDevice:
case PeripheralDeviceTypes.OpticalDevice:
case PeripheralDeviceTypes.SimplifiedDevice:
case PeripheralDeviceTypes.WriteOnceDevice:
scsiReader = new Reader(_dev, _dev.Timeout, null, null);
results.Blocks = scsiReader.GetDeviceBlocks();
if (scsiReader.FindReadCommand())
{
StoppingErrorMessage?.Invoke("Unable to read medium.");
return(results);
}
blockSize = scsiReader.LogicalBlockSize;
if (results.Blocks != 0 &&
blockSize != 0)
{
results.Blocks++;
ulong totalSize = results.Blocks * blockSize;
if (totalSize > 1099511627776)
{
UpdateStatus?.
Invoke($"Media has {results.Blocks} blocks of {blockSize} bytes/each. (for a total of {totalSize / 1099511627776d:F3} TiB)");
}
else if (totalSize > 1073741824)
{
UpdateStatus?.
Invoke($"Media has {results.Blocks} blocks of {blockSize} bytes/each. (for a total of {totalSize / 1073741824d:F3} GiB)");
}
else if (totalSize > 1048576)
{
UpdateStatus?.
Invoke($"Media has {results.Blocks} blocks of {blockSize} bytes/each. (for a total of {totalSize / 1048576d:F3} MiB)");
}
else if (totalSize > 1024)
{
UpdateStatus?.
Invoke($"Media has {results.Blocks} blocks of {blockSize} bytes/each. (for a total of {totalSize / 1024d:F3} KiB)");
}
else
{
UpdateStatus?.
Invoke($"Media has {results.Blocks} blocks of {blockSize} bytes/each. (for a total of {totalSize} bytes)");
}
}
break;
case PeripheralDeviceTypes.SequentialAccess:
StoppingErrorMessage?.Invoke("Scanning will never be supported on SCSI Streaming Devices." +
Environment.NewLine +
"It has no sense to do it, and it will put too much strain on the tape.");
return(results);
}
if (results.Blocks == 0)
{
StoppingErrorMessage?.Invoke("Unable to read medium or empty medium present...");
return(results);
}
bool compactDisc = true;
FullTOC.CDFullTOC?toc = null;
if (_dev.ScsiType == PeripheralDeviceTypes.MultiMediaDevice)
{
sense = _dev.GetConfiguration(out byte[] cmdBuf, out senseBuf, 0, MmcGetConfigurationRt.Current,
_dev.Timeout, out _);
if (!sense)
{
Features.SeparatedFeatures ftr = Features.Separate(cmdBuf);
currentProfile = ftr.CurrentProfile;
switch (ftr.CurrentProfile)
{
case 0x0005:
case 0x0008:
case 0x0009:
case 0x000A:
case 0x0020:
case 0x0021:
case 0x0022: break;
default:
compactDisc = false;
break;
}
}
if (compactDisc)
{
currentProfile = 0x0008;
// We discarded all discs that falsify a TOC before requesting a real TOC
// No TOC, no CD (or an empty one)
bool tocSense = _dev.ReadRawToc(out cmdBuf, out senseBuf, 1, _dev.Timeout, out _);
if (!tocSense)
{
toc = FullTOC.Decode(cmdBuf);
}
}
}
else
{
compactDisc = false;
}
uint blocksToRead = 64;
results.A = 0; // <3ms
results.B = 0; // >=3ms, <10ms
results.C = 0; // >=10ms, <50ms
results.D = 0; // >=50ms, <150ms
results.E = 0; // >=150ms, <500ms
results.F = 0; // >=500ms
results.Errored = 0;
DateTime start;
DateTime end;
results.ProcessingTime = 0;
results.TotalTime = 0;
double currentSpeed = 0;
results.MaxSpeed = double.MinValue;
results.MinSpeed = double.MaxValue;
results.UnreadableSectors = new List <ulong>();
if (compactDisc)
{
if (toc == null)
{
StoppingErrorMessage?.Invoke("Error trying to decode TOC...");
return(results);
}
bool readcd = !_dev.ReadCd(out _, out senseBuf, 0, 2352, 1, MmcSectorTypes.AllTypes, false, false, true,
MmcHeaderCodes.AllHeaders, true, true, MmcErrorField.None,
MmcSubchannel.None, _dev.Timeout, out _);
if (readcd)
{
UpdateStatus?.Invoke("Using MMC READ CD command.");
}
start = DateTime.UtcNow;
while (true)
{
if (readcd)
{
sense = _dev.ReadCd(out _, out senseBuf, 0, 2352, blocksToRead, MmcSectorTypes.AllTypes, false,
false, true, MmcHeaderCodes.AllHeaders, true, true, MmcErrorField.None,
MmcSubchannel.None, _dev.Timeout, out _);
if (_dev.Error)
{
blocksToRead /= 2;
}
}
if (!_dev.Error ||
blocksToRead == 1)
{
break;
}
}
if (_dev.Error)
{
StoppingErrorMessage?.
Invoke($"Device error {_dev.LastError} trying to guess ideal transfer length.");
return(results);
}
UpdateStatus?.Invoke($"Reading {blocksToRead} sectors at a time.");
InitBlockMap?.Invoke(results.Blocks, blockSize, blocksToRead, currentProfile);
mhddLog = new MhddLog(_mhddLogPath, _dev, results.Blocks, blockSize, blocksToRead, false);
ibgLog = new IbgLog(_ibgLogPath, currentProfile);
DateTime timeSpeedStart = DateTime.UtcNow;
ulong sectorSpeedStart = 0;
InitProgress?.Invoke();
for (ulong i = 0; i < results.Blocks; i += blocksToRead)
{
if (_aborted)
{
break;
}
double cmdDuration = 0;
if (results.Blocks - i < blocksToRead)
{
blocksToRead = (uint)(results.Blocks - i);
}
if (currentSpeed > results.MaxSpeed &&
currentSpeed > 0)
{
results.MaxSpeed = currentSpeed;
}
if (currentSpeed < results.MinSpeed &&
currentSpeed > 0)
{
results.MinSpeed = currentSpeed;
}
UpdateProgress?.Invoke($"Reading sector {i} of {results.Blocks} ({currentSpeed:F3} MiB/sec.)",
(long)i, (long)results.Blocks);
if (readcd)
{
sense = _dev.ReadCd(out _, out senseBuf, (uint)i, 2352, blocksToRead, MmcSectorTypes.AllTypes,
false, false, true, MmcHeaderCodes.AllHeaders, true, true,
MmcErrorField.None, MmcSubchannel.None, _dev.Timeout, out cmdDuration);
results.ProcessingTime += cmdDuration;
}
if (!sense)
{
if (cmdDuration >= 500)
{
results.F += blocksToRead;
}
else if (cmdDuration >= 150)
{
results.E += blocksToRead;
}
else if (cmdDuration >= 50)
{
results.D += blocksToRead;
}
else if (cmdDuration >= 10)
{
results.C += blocksToRead;
}
else if (cmdDuration >= 3)
{
results.B += blocksToRead;
}
else
{
results.A += blocksToRead;
}
ScanTime?.Invoke(i, cmdDuration);
mhddLog.Write(i, cmdDuration);
ibgLog.Write(i, currentSpeed * 1024);
}
else
{
AaruConsole.DebugWriteLine("Media-Scan", "READ CD error:\n{0}", Sense.PrettifySense(senseBuf));
FixedSense?senseDecoded = Sense.DecodeFixed(senseBuf);
if (senseDecoded.HasValue)
{
// TODO: This error happens when changing from track type afaik. Need to solve that more cleanly
// LOGICAL BLOCK ADDRESS OUT OF RANGE
if ((senseDecoded.Value.ASC != 0x21 || senseDecoded.Value.ASCQ != 0x00) &&
// ILLEGAL MODE FOR THIS TRACK (requesting sectors as-is, this is a firmware misconception when audio sectors
// are in a track where subchannel indicates data)
(senseDecoded.Value.ASC != 0x64 || senseDecoded.Value.ASCQ != 0x00))
{
results.Errored += blocksToRead;
for (ulong b = i; b < i + blocksToRead; b++)
{
results.UnreadableSectors.Add(b);
}
ScanUnreadable?.Invoke(i);
mhddLog.Write(i, cmdDuration < 500 ? 65535 : cmdDuration);
ibgLog.Write(i, 0);
}
}
else
{
ScanUnreadable?.Invoke(i);
results.Errored += blocksToRead;
for (ulong b = i; b < i + blocksToRead; b++)
{
results.UnreadableSectors.Add(b);
}
mhddLog.Write(i, cmdDuration < 500 ? 65535 : cmdDuration);
ibgLog.Write(i, 0);
}
}
sectorSpeedStart += blocksToRead;
double elapsed = (DateTime.UtcNow - timeSpeedStart).TotalSeconds;
if (elapsed < 1)
{
continue;
}
currentSpeed = (sectorSpeedStart * blockSize) / (1048576 * elapsed);
ScanSpeed?.Invoke(i, currentSpeed * 1024);
sectorSpeedStart = 0;
timeSpeedStart = DateTime.UtcNow;
}
end = DateTime.UtcNow;
EndProgress?.Invoke();
mhddLog.Close();
ibgLog.Close(_dev, results.Blocks, blockSize, (end - start).TotalSeconds, currentSpeed * 1024,
(blockSize * (double)(results.Blocks + 1)) / 1024 / (results.ProcessingTime / 1000),
_devicePath);
}
else
{
start = DateTime.UtcNow;
UpdateStatus?.Invoke($"Reading {blocksToRead} sectors at a time.");
InitBlockMap?.Invoke(results.Blocks, blockSize, blocksToRead, currentProfile);
mhddLog = new MhddLog(_mhddLogPath, _dev, results.Blocks, blockSize, blocksToRead, false);
ibgLog = new IbgLog(_ibgLogPath, currentProfile);
DateTime timeSpeedStart = DateTime.UtcNow;
ulong sectorSpeedStart = 0;
InitProgress?.Invoke();
for (ulong i = 0; i < results.Blocks; i += blocksToRead)
{
if (_aborted)
{
break;
}
if (results.Blocks - i < blocksToRead)
{
blocksToRead = (uint)(results.Blocks - i);
}
if (currentSpeed > results.MaxSpeed &&
currentSpeed > 0)
{
results.MaxSpeed = currentSpeed;
}
if (currentSpeed < results.MinSpeed &&
currentSpeed > 0)
{
results.MinSpeed = currentSpeed;
}
UpdateProgress?.Invoke($"Reading sector {i} of {results.Blocks} ({currentSpeed:F3} MiB/sec.)",
(long)i, (long)results.Blocks);
sense = scsiReader.ReadBlocks(out _, i, blocksToRead, out double cmdDuration);
results.ProcessingTime += cmdDuration;
if (!sense &&
!_dev.Error)
{
if (cmdDuration >= 500)
{
results.F += blocksToRead;
}
else if (cmdDuration >= 150)
{
results.E += blocksToRead;
}
else if (cmdDuration >= 50)
{
results.D += blocksToRead;
}
else if (cmdDuration >= 10)
{
results.C += blocksToRead;
}
else if (cmdDuration >= 3)
{
results.B += blocksToRead;
}
else
{
results.A += blocksToRead;
}
ScanTime?.Invoke(i, cmdDuration);
mhddLog.Write(i, cmdDuration);
ibgLog.Write(i, currentSpeed * 1024);
}
// TODO: Separate errors on kind of errors.
else
{
ScanUnreadable?.Invoke(i);
results.Errored += blocksToRead;
for (ulong b = i; b < i + blocksToRead; b++)
{
results.UnreadableSectors.Add(b);
}
mhddLog.Write(i, cmdDuration < 500 ? 65535 : cmdDuration);
ibgLog.Write(i, 0);
}
sectorSpeedStart += blocksToRead;
double elapsed = (DateTime.UtcNow - timeSpeedStart).TotalSeconds;
if (elapsed < 1)
{
continue;
}
currentSpeed = (sectorSpeedStart * blockSize) / (1048576 * elapsed);
ScanSpeed?.Invoke(i, currentSpeed * 1024);
sectorSpeedStart = 0;
timeSpeedStart = DateTime.UtcNow;
}
end = DateTime.UtcNow;
EndProgress?.Invoke();
mhddLog.Close();
ibgLog.Close(_dev, results.Blocks, blockSize, (end - start).TotalSeconds, currentSpeed * 1024,
(blockSize * (double)(results.Blocks + 1)) / 1024 / (results.ProcessingTime / 1000),
_devicePath);
}
results.SeekMax = double.MinValue;
results.SeekMin = double.MaxValue;
results.SeekTotal = 0;
const int seekTimes = 1000;
var rnd = new Random();
InitProgress?.Invoke();
for (int i = 0; i < seekTimes; i++)
{
if (_aborted || !_seekTest)
{
break;
}
uint seekPos = (uint)rnd.Next((int)results.Blocks);
PulseProgress?.Invoke($"Seeking to sector {seekPos}...\t\t");
double seekCur;
if (scsiReader.CanSeek)
{
scsiReader.Seek(seekPos, out seekCur);
}
else
{
scsiReader.ReadBlock(out _, seekPos, out seekCur);
}
if (seekCur > results.SeekMax &&
seekCur > 0)
{
results.SeekMax = seekCur;
}
if (seekCur < results.SeekMin &&
seekCur > 0)
{
results.SeekMin = seekCur;
}
results.SeekTotal += seekCur;
GC.Collect();
}
EndProgress?.Invoke();
results.ProcessingTime /= 1000;
results.TotalTime = (end - start).TotalSeconds;
results.AvgSpeed = (blockSize * (double)(results.Blocks + 1)) / 1048576 / results.ProcessingTime;
results.SeekTimes = seekTimes;
return(results);
}
/// <summary>Scans the media from an ATA device</summary>
/// <returns>Scanning results</returns>
ScanResults Ata()
{
var results = new ScanResults
{
Blocks = 0
};
const ushort ataProfile = 0x0001;
const uint timeout = 5;
bool sense = _dev.AtaIdentify(out byte[] cmdBuf, out _);
if (!sense &&
Identify.Decode(cmdBuf).HasValue)
{
// Initialize reader
var ataReader = new Reader(_dev, timeout, cmdBuf, null);
// Fill reader blocks
results.Blocks = ataReader.GetDeviceBlocks();
if (ataReader.FindReadCommand())
{
StoppingErrorMessage?.Invoke(ataReader.ErrorMessage);
return(results);
}
// Check block sizes
if (ataReader.GetBlockSize())
{
StoppingErrorMessage?.Invoke(ataReader.ErrorMessage);
return(results);
}
uint blockSize = ataReader.LogicalBlockSize;
// Check how many blocks to read, if error show and return
if (ataReader.GetBlocksToRead())
{
StoppingErrorMessage?.Invoke(ataReader.ErrorMessage);
return(results);
}
uint blocksToRead = ataReader.BlocksToRead;
ushort cylinders = ataReader.Cylinders;
byte heads = ataReader.Heads;
byte sectors = ataReader.Sectors;
results.A = 0; // <3ms
results.B = 0; // >=3ms, <10ms
results.C = 0; // >=10ms, <50ms
results.D = 0; // >=50ms, <150ms
results.E = 0; // >=150ms, <500ms
results.F = 0; // >=500ms
results.Errored = 0;
DateTime start;
DateTime end;
results.ProcessingTime = 0;
double currentSpeed = 0;
results.MaxSpeed = double.MinValue;
results.MinSpeed = double.MaxValue;
results.UnreadableSectors = new List <ulong>();
results.SeekMax = double.MinValue;
results.SeekMin = double.MaxValue;
results.SeekTotal = 0;
const int seekTimes = 1000;
double seekCur;
var rnd = new Random();
MhddLog mhddLog;
IbgLog ibgLog;
double duration;
if (ataReader.IsLba)
{
UpdateStatus?.Invoke($"Reading {blocksToRead} sectors at a time.");
InitBlockMap?.Invoke(results.Blocks, blockSize, blocksToRead, ataProfile);
mhddLog = new MhddLog(_mhddLogPath, _dev, results.Blocks, blockSize, blocksToRead, false);
ibgLog = new IbgLog(_ibgLogPath, ataProfile);
start = DateTime.UtcNow;
DateTime timeSpeedStart = DateTime.UtcNow;
ulong sectorSpeedStart = 0;
InitProgress?.Invoke();
for (ulong i = 0; i < results.Blocks; i += blocksToRead)
{
if (_aborted)
{
break;
}
if (results.Blocks - i < blocksToRead)
{
blocksToRead = (byte)(results.Blocks - i);
}
if (currentSpeed > results.MaxSpeed &&
currentSpeed > 0)
{
results.MaxSpeed = currentSpeed;
}
if (currentSpeed < results.MinSpeed &&
currentSpeed > 0)
{
results.MinSpeed = currentSpeed;
}
UpdateProgress?.Invoke($"Reading sector {i} of {results.Blocks} ({currentSpeed:F3} MiB/sec.)",
(long)i, (long)results.Blocks);
bool error = ataReader.ReadBlocks(out cmdBuf, i, blocksToRead, out duration);
if (!error)
{
if (duration >= 500)
{
results.F += blocksToRead;
}
else if (duration >= 150)
{
results.E += blocksToRead;
}
else if (duration >= 50)
{
results.D += blocksToRead;
}
else if (duration >= 10)
{
results.C += blocksToRead;
}
else if (duration >= 3)
{
results.B += blocksToRead;
}
else
{
results.A += blocksToRead;
}
ScanTime?.Invoke(i, duration);
mhddLog.Write(i, duration);
ibgLog.Write(i, currentSpeed * 1024);
}
else
{
ScanUnreadable?.Invoke(i);
results.Errored += blocksToRead;
for (ulong b = i; b < i + blocksToRead; b++)
{
results.UnreadableSectors.Add(b);
}
mhddLog.Write(i, duration < 500 ? 65535 : duration);
ibgLog.Write(i, 0);
}
sectorSpeedStart += blocksToRead;
double elapsed = (DateTime.UtcNow - timeSpeedStart).TotalSeconds;
if (elapsed < 1)
{
continue;
}
currentSpeed = (sectorSpeedStart * blockSize) / (1048576 * elapsed);
ScanSpeed?.Invoke(i, currentSpeed * 1024);
sectorSpeedStart = 0;
timeSpeedStart = DateTime.UtcNow;
}
end = DateTime.UtcNow;
EndProgress?.Invoke();
mhddLog.Close();
ibgLog.Close(_dev, results.Blocks, blockSize, (end - start).TotalSeconds, currentSpeed * 1024,
(blockSize * (double)(results.Blocks + 1)) / 1024 / (results.ProcessingTime / 1000),
_devicePath);
InitProgress?.Invoke();
if (ataReader.CanSeekLba && _seekTest)
{
for (int i = 0; i < seekTimes; i++)
{
if (_aborted)
{
break;
}
uint seekPos = (uint)rnd.Next((int)results.Blocks);
PulseProgress?.Invoke($"Seeking to sector {seekPos}...\t\t");
ataReader.Seek(seekPos, out seekCur);
if (seekCur > results.SeekMax &&
seekCur > 0)
{
results.SeekMax = seekCur;
}
if (seekCur < results.SeekMin &&
seekCur > 0)
{
results.SeekMin = seekCur;
}
results.SeekTotal += seekCur;
GC.Collect();
}
}
EndProgress?.Invoke();
}
else
{
InitBlockMap?.Invoke(results.Blocks, blockSize, blocksToRead, ataProfile);
mhddLog = new MhddLog(_mhddLogPath, _dev, results.Blocks, blockSize, blocksToRead, false);
ibgLog = new IbgLog(_ibgLogPath, ataProfile);
ulong currentBlock = 0;
results.Blocks = (ulong)(cylinders * heads * sectors);
start = DateTime.UtcNow;
DateTime timeSpeedStart = DateTime.UtcNow;
ulong sectorSpeedStart = 0;
InitProgress?.Invoke();
for (ushort cy = 0; cy < cylinders; cy++)
{
for (byte hd = 0; hd < heads; hd++)
{
for (byte sc = 1; sc < sectors; sc++)
{
if (_aborted)
{
break;
}
if (currentSpeed > results.MaxSpeed &&
currentSpeed > 0)
{
results.MaxSpeed = currentSpeed;
}
if (currentSpeed < results.MinSpeed &&
currentSpeed > 0)
{
results.MinSpeed = currentSpeed;
}
PulseProgress?.
Invoke($"Reading cylinder {cy} head {hd} sector {sc} ({currentSpeed:F3} MiB/sec.)");
bool error = ataReader.ReadChs(out cmdBuf, cy, hd, sc, out duration);
if (!error)
{
if (duration >= 500)
{
results.F += blocksToRead;
}
else if (duration >= 150)
{
results.E += blocksToRead;
}
else if (duration >= 50)
{
results.D += blocksToRead;
}
else if (duration >= 10)
{
results.C += blocksToRead;
}
else if (duration >= 3)
{
results.B += blocksToRead;
}
else
{
results.A += blocksToRead;
}
ScanTime?.Invoke(currentBlock, duration);
mhddLog.Write(currentBlock, duration);
ibgLog.Write(currentBlock, currentSpeed * 1024);
}
else
{
ScanUnreadable?.Invoke(currentBlock);
results.Errored += blocksToRead;
results.UnreadableSectors.Add(currentBlock);
mhddLog.Write(currentBlock, duration < 500 ? 65535 : duration);
ibgLog.Write(currentBlock, 0);
}
sectorSpeedStart++;
currentBlock++;
double elapsed = (DateTime.UtcNow - timeSpeedStart).TotalSeconds;
if (elapsed < 1)
{
continue;
}
currentSpeed = (sectorSpeedStart * blockSize) / (1048576 * elapsed);
ScanSpeed?.Invoke(currentBlock, currentSpeed * 1024);
sectorSpeedStart = 0;
timeSpeedStart = DateTime.UtcNow;
}
}
}
end = DateTime.UtcNow;
EndProgress?.Invoke();
mhddLog.Close();
ibgLog.Close(_dev, results.Blocks, blockSize, (end - start).TotalSeconds, currentSpeed * 1024,
(blockSize * (double)(results.Blocks + 1)) / 1024 / (results.ProcessingTime / 1000),
_devicePath);
InitProgress?.Invoke();
if (ataReader.CanSeek)
{
for (int i = 0; i < seekTimes; i++)
{
if (_aborted)
{
break;
}
ushort seekCy = (ushort)rnd.Next(cylinders);
byte seekHd = (byte)rnd.Next(heads);
byte seekSc = (byte)rnd.Next(sectors);
PulseProgress?.
Invoke($"\rSeeking to cylinder {seekCy}, head {seekHd}, sector {seekSc}...\t\t");
ataReader.SeekChs(seekCy, seekHd, seekSc, out seekCur);
if (seekCur > results.SeekMax &&
seekCur > 0)
{
results.SeekMax = seekCur;
}
if (seekCur < results.SeekMin &&
seekCur > 0)
{
results.SeekMin = seekCur;
}
results.SeekTotal += seekCur;
GC.Collect();
}
}
EndProgress?.Invoke();
}
results.ProcessingTime /= 1000;
results.TotalTime = (end - start).TotalSeconds;
results.AvgSpeed = (blockSize * (double)(results.Blocks + 1)) / 1048576 / results.ProcessingTime;
results.SeekTimes = seekTimes;
return(results);
}
StoppingErrorMessage?.Invoke("Unable to communicate with ATA device.");
return(results);
}
ScanResults SecureDigital()
{
var results = new ScanResults();
byte[] cmdBuf;
bool sense;
results.Blocks = 0;
const uint TIMEOUT = 5;
double duration;
const ushort SD_PROFILE = 0x0001;
uint blocksToRead = 128;
uint blockSize = 512;
bool byteAddressed = true;
switch (_dev.Type)
{
case DeviceType.MMC:
{
sense = _dev.ReadExtendedCsd(out cmdBuf, out _, TIMEOUT, out _);
if (!sense)
{
ExtendedCSD ecsd = Decoders.MMC.Decoders.DecodeExtendedCSD(cmdBuf);
blocksToRead = ecsd.OptimalReadSize;
results.Blocks = ecsd.SectorCount;
blockSize = (uint)(ecsd.SectorSize == 1 ? 4096 : 512);
// Supposing it's high-capacity MMC if it has Extended CSD...
byteAddressed = false;
}
if (sense || results.Blocks == 0)
{
sense = _dev.ReadCsd(out cmdBuf, out _, TIMEOUT, out _);
if (!sense)
{
CSD csd = Decoders.MMC.Decoders.DecodeCSD(cmdBuf);
results.Blocks = (ulong)((csd.Size + 1) * Math.Pow(2, csd.SizeMultiplier + 2));
blockSize = (uint)Math.Pow(2, csd.ReadBlockLength);
}
}
break;
}
case DeviceType.SecureDigital:
{
sense = _dev.ReadCsd(out cmdBuf, out _, TIMEOUT, out _);
if (!sense)
{
Decoders.SecureDigital.CSD csd = Decoders.SecureDigital.Decoders.DecodeCSD(cmdBuf);
results.Blocks = (ulong)(csd.Structure == 0
? (csd.Size + 1) * Math.Pow(2, csd.SizeMultiplier + 2)
: (csd.Size + 1) * 1024);
blockSize = (uint)Math.Pow(2, csd.ReadBlockLength);
// Structure >=1 for SDHC/SDXC, so that's block addressed
byteAddressed = csd.Structure == 0;
}
break;
}
}
if (results.Blocks == 0)
{
StoppingErrorMessage?.Invoke("Unable to get device size.");
return(results);
}
while (true)
{
sense = _dev.Read(out cmdBuf, out _, 0, blockSize, blocksToRead, byteAddressed, TIMEOUT, out duration);
if (sense)
{
blocksToRead /= 2;
}
if (!sense ||
blocksToRead == 1)
{
break;
}
}
if (sense)
{
StoppingErrorMessage?.Invoke($"Device error {_dev.LastError} trying to guess ideal transfer length.");
return(results);
}
results.A = 0; // <3ms
results.B = 0; // >=3ms, <10ms
results.C = 0; // >=10ms, <50ms
results.D = 0; // >=50ms, <150ms
results.E = 0; // >=150ms, <500ms
results.F = 0; // >=500ms
results.Errored = 0;
DateTime start;
DateTime end;
results.ProcessingTime = 0;
double currentSpeed = 0;
results.MaxSpeed = double.MinValue;
results.MinSpeed = double.MaxValue;
results.UnreadableSectors = new List <ulong>();
results.SeekMax = double.MinValue;
results.SeekMin = double.MaxValue;
results.SeekTotal = 0;
const int SEEK_TIMES = 1000;
var rnd = new Random();
UpdateStatus?.Invoke($"Reading {blocksToRead} sectors at a time.");
InitBlockMap?.Invoke(results.Blocks, blockSize, blocksToRead, SD_PROFILE);
var mhddLog = new MhddLog(_mhddLogPath, _dev, results.Blocks, blockSize, blocksToRead, false);
var ibgLog = new IbgLog(_ibgLogPath, SD_PROFILE);
start = DateTime.UtcNow;
DateTime timeSpeedStart = DateTime.UtcNow;
ulong sectorSpeedStart = 0;
InitProgress?.Invoke();
for (ulong i = 0; i < results.Blocks; i += blocksToRead)
{
if (_aborted)
{
break;
}
if (results.Blocks - i < blocksToRead)
{
blocksToRead = (byte)(results.Blocks - i);
}
#pragma warning disable RECS0018 // Comparison of floating point numbers with equality operator
if (currentSpeed > results.MaxSpeed &&
currentSpeed != 0)
{
results.MaxSpeed = currentSpeed;
}
if (currentSpeed < results.MinSpeed &&
currentSpeed != 0)
{
results.MinSpeed = currentSpeed;
}
#pragma warning restore RECS0018 // Comparison of floating point numbers with equality operator
UpdateProgress?.Invoke($"Reading sector {i} of {results.Blocks} ({currentSpeed:F3} MiB/sec.)", (long)i,
(long)results.Blocks);
bool error = _dev.Read(out cmdBuf, out _, (uint)i, blockSize, blocksToRead, byteAddressed, TIMEOUT,
out duration);
if (!error)
{
if (duration >= 500)
{
results.F += blocksToRead;
}
else if (duration >= 150)
{
results.E += blocksToRead;
}
else if (duration >= 50)
{
results.D += blocksToRead;
}
else if (duration >= 10)
{
results.C += blocksToRead;
}
else if (duration >= 3)
{
results.B += blocksToRead;
}
else
{
results.A += blocksToRead;
}
ScanTime?.Invoke(i, duration);
mhddLog.Write(i, duration);
ibgLog.Write(i, currentSpeed * 1024);
}
else
{
ScanUnreadable?.Invoke(i);
results.Errored += blocksToRead;
for (ulong b = i; b < i + blocksToRead; b++)
{
results.UnreadableSectors.Add(b);
}
mhddLog.Write(i, duration < 500 ? 65535 : duration);
ibgLog.Write(i, 0);
}
sectorSpeedStart += blocksToRead;
double elapsed = (DateTime.UtcNow - timeSpeedStart).TotalSeconds;
if (elapsed < 1)
{
continue;
}
currentSpeed = (sectorSpeedStart * blockSize) / (1048576 * elapsed);
ScanSpeed?.Invoke(i, currentSpeed * 1024);
sectorSpeedStart = 0;
timeSpeedStart = DateTime.UtcNow;
}
end = DateTime.UtcNow;
EndProgress?.Invoke();
mhddLog.Close();
ibgLog.Close(_dev, results.Blocks, blockSize, (end - start).TotalSeconds, currentSpeed * 1024,
(blockSize * (double)(results.Blocks + 1)) / 1024 /
(results.ProcessingTime / 1000),
_devicePath);
InitProgress?.Invoke();
for (int i = 0; i < SEEK_TIMES; i++)
{
if (_aborted || !_seekTest)
{
break;
}
uint seekPos = (uint)rnd.Next((int)results.Blocks);
PulseProgress?.Invoke($"Seeking to sector {seekPos}...\t\t");
_dev.Read(out cmdBuf, out _, seekPos, blockSize, blocksToRead, byteAddressed, TIMEOUT,
out double seekCur);
#pragma warning disable RECS0018 // Comparison of floating point numbers with equality operator
if (seekCur > results.SeekMax &&
seekCur != 0)
{
results.SeekMax = seekCur;
}
if (seekCur < results.SeekMin &&
seekCur != 0)
{
results.SeekMin = seekCur;
}
#pragma warning restore RECS0018 // Comparison of floating point numbers with equality operator
results.SeekTotal += seekCur;
GC.Collect();
}
EndProgress?.Invoke();
results.ProcessingTime /= 1000;
results.TotalTime = (end - start).TotalSeconds;
results.AvgSpeed = (blockSize * (double)(results.Blocks + 1)) / 1048576 / results.ProcessingTime;
results.SeekTimes = SEEK_TIMES;
return(results);
}
ScanResults SecureDigital()
{
var results = new ScanResults();
byte[] cmdBuf;
bool sense;
results.Blocks = 0;
const uint timeout = 5;
double duration;
const ushort sdProfile = 0x0001;
ushort blocksToRead = 128;
uint blockSize = 512;
bool byteAddressed = true;
bool supportsCmd23 = false;
switch (_dev.Type)
{
case DeviceType.MMC:
{
sense = _dev.ReadCsd(out cmdBuf, out _, timeout, out _);
if (!sense)
{
CSD csd = Decoders.MMC.Decoders.DecodeCSD(cmdBuf);
results.Blocks = (ulong)((csd.Size + 1) * Math.Pow(2, csd.SizeMultiplier + 2));
blockSize = (uint)Math.Pow(2, csd.ReadBlockLength);
// Found at least since MMC System Specification 3.31
supportsCmd23 = csd.Version >= 3;
if (csd.Size == 0xFFF)
{
sense = _dev.ReadExtendedCsd(out cmdBuf, out _, timeout, out _);
if (!sense)
{
ExtendedCSD ecsd = Decoders.MMC.Decoders.DecodeExtendedCSD(cmdBuf);
results.Blocks = ecsd.SectorCount;
blockSize = (uint)(ecsd.SectorSize == 1 ? 4096 : 512);
blocksToRead = (ushort)(ecsd.OptimalReadSize * 4096 / blockSize);
if (blocksToRead == 0)
{
blocksToRead = 128;
}
// Supposing it's high-capacity MMC if it has Extended CSD...
byteAddressed = false;
}
}
}
break;
}
case DeviceType.SecureDigital:
{
sense = _dev.ReadCsd(out cmdBuf, out _, timeout, out _);
if (!sense)
{
Decoders.SecureDigital.CSD csd = Decoders.SecureDigital.Decoders.DecodeCSD(cmdBuf);
results.Blocks = (ulong)(csd.Structure == 0
? (csd.Size + 1) * Math.Pow(2, csd.SizeMultiplier + 2)
: (csd.Size + 1) * 1024);
blockSize = (uint)Math.Pow(2, csd.ReadBlockLength);
// Structure >=1 for SDHC/SDXC, so that's block addressed
byteAddressed = csd.Structure == 0;
if (blockSize != 512)
{
uint ratio = blockSize / 512;
results.Blocks *= ratio;
blockSize = 512;
}
sense = _dev.ReadScr(out cmdBuf, out _, timeout, out _);
if (!sense)
{
supportsCmd23 = Decoders.SecureDigital.Decoders.DecodeSCR(cmdBuf)?.CommandSupport.
HasFlag(CommandSupport.SetBlockCount) ?? false;
}
}
break;
}
}
if (results.Blocks == 0)
{
StoppingErrorMessage?.Invoke("Unable to get device size.");
return(results);
}
if (supportsCmd23)
{
sense = _dev.ReadWithBlockCount(out cmdBuf, out _, 0, blockSize, 1, byteAddressed, timeout,
out duration);
if (sense || _dev.Error)
{
UpdateStatus?.
Invoke("Environment does not support setting block count, downgrading to OS reading.");
supportsCmd23 = false;
}
// Need to restart device, otherwise is it just busy streaming data with no one listening
sense = _dev.ReOpen();
if (sense)
{
StoppingErrorMessage?.Invoke($"Error {_dev.LastError} reopening device.");
return(results);
}
}
if (supportsCmd23)
{
while (true)
{
sense = _dev.ReadWithBlockCount(out cmdBuf, out _, 0, blockSize, blocksToRead, byteAddressed,
timeout, out duration);
if (sense)
{
blocksToRead /= 2;
}
if (!sense ||
blocksToRead == 1)
{
break;
}
}
if (sense)
{
StoppingErrorMessage?.
Invoke($"Device error {_dev.LastError} trying to guess ideal transfer length.");
return(results);
}
}
results.A = 0; // <3ms
results.B = 0; // >=3ms, <10ms
results.C = 0; // >=10ms, <50ms
results.D = 0; // >=50ms, <150ms
results.E = 0; // >=150ms, <500ms
results.F = 0; // >=500ms
results.Errored = 0;
DateTime start;
DateTime end;
results.ProcessingTime = 0;
double currentSpeed = 0;
results.MaxSpeed = double.MinValue;
results.MinSpeed = double.MaxValue;
results.UnreadableSectors = new List <ulong>();
results.SeekMax = double.MinValue;
results.SeekMin = double.MaxValue;
results.SeekTotal = 0;
const int seekTimes = 100;
var rnd = new Random();
if (supportsCmd23 || blocksToRead == 1)
{
UpdateStatus?.Invoke($"Reading {blocksToRead} sectors at a time.");
}
else if (_useBufferedReads)
{
UpdateStatus?.Invoke($"Reading {blocksToRead} sectors at a time using OS buffered reads.");
}
else
{
UpdateStatus?.Invoke($"Reading {blocksToRead} sectors using sequential single commands.");
}
InitBlockMap?.Invoke(results.Blocks, blockSize, blocksToRead, sdProfile);
var mhddLog = new MhddLog(_mhddLogPath, _dev, results.Blocks, blockSize, blocksToRead, false);
var ibgLog = new IbgLog(_ibgLogPath, sdProfile);
start = DateTime.UtcNow;
DateTime timeSpeedStart = DateTime.UtcNow;
ulong sectorSpeedStart = 0;
InitProgress?.Invoke();
for (ulong i = 0; i < results.Blocks; i += blocksToRead)
{
if (_aborted)
{
break;
}
if (results.Blocks - i < blocksToRead)
{
blocksToRead = (byte)(results.Blocks - i);
}
if (currentSpeed > results.MaxSpeed &&
currentSpeed > 0)
{
results.MaxSpeed = currentSpeed;
}
if (currentSpeed < results.MinSpeed &&
currentSpeed > 0)
{
results.MinSpeed = currentSpeed;
}
UpdateProgress?.Invoke($"Reading sector {i} of {results.Blocks} ({currentSpeed:F3} MiB/sec.)", (long)i,
(long)results.Blocks);
bool error;
if (blocksToRead == 1)
{
error = _dev.ReadSingleBlock(out cmdBuf, out _, (uint)i, blockSize, byteAddressed, timeout,
out duration);
}
else if (supportsCmd23)
{
error = _dev.ReadWithBlockCount(out cmdBuf, out _, (uint)i, blockSize, blocksToRead, byteAddressed,
timeout, out duration);
}
else if (_useBufferedReads)
{
error = _dev.BufferedOsRead(out cmdBuf, (long)(i * blockSize), blockSize * blocksToRead,
out duration);
}
else
{
error = _dev.ReadMultipleUsingSingle(out cmdBuf, out _, (uint)i, blockSize, blocksToRead,
byteAddressed, timeout, out duration);
}
if (!error)
{
if (duration >= 500)
{
results.F += blocksToRead;
}
else if (duration >= 150)
{
results.E += blocksToRead;
}
else if (duration >= 50)
{
results.D += blocksToRead;
}
else if (duration >= 10)
{
results.C += blocksToRead;
}
else if (duration >= 3)
{
results.B += blocksToRead;
}
else
{
results.A += blocksToRead;
}
ScanTime?.Invoke(i, duration);
mhddLog.Write(i, duration);
ibgLog.Write(i, currentSpeed * 1024);
}
else
{
ScanUnreadable?.Invoke(i);
results.Errored += blocksToRead;
for (ulong b = i; b < i + blocksToRead; b++)
{
results.UnreadableSectors.Add(b);
}
mhddLog.Write(i, duration < 500 ? 65535 : duration);
ibgLog.Write(i, 0);
}
sectorSpeedStart += blocksToRead;
double elapsed = (DateTime.UtcNow - timeSpeedStart).TotalSeconds;
if (elapsed < 1)
{
continue;
}
currentSpeed = sectorSpeedStart * blockSize / (1048576 * elapsed);
ScanSpeed?.Invoke(i, currentSpeed * 1024);
sectorSpeedStart = 0;
timeSpeedStart = DateTime.UtcNow;
}
end = DateTime.UtcNow;
EndProgress?.Invoke();
mhddLog.Close();
ibgLog.Close(_dev, results.Blocks, blockSize, (end - start).TotalSeconds, currentSpeed * 1024,
blockSize * (double)(results.Blocks + 1) / 1024 / (results.ProcessingTime / 1000),
_devicePath);
InitProgress?.Invoke();
for (int i = 0; i < seekTimes; i++)
{
if (_aborted || !_seekTest)
{
break;
}
uint seekPos = (uint)rnd.Next((int)results.Blocks);
PulseProgress?.Invoke($"Seeking to sector {seekPos}...\t\t");
_dev.ReadSingleBlock(out cmdBuf, out _, seekPos, blockSize, byteAddressed, timeout, out double seekCur);
if (seekCur > results.SeekMax &&
seekCur > 0)
{
results.SeekMax = seekCur;
}
if (seekCur < results.SeekMin &&
seekCur > 0)
{
results.SeekMin = seekCur;
}
results.SeekTotal += seekCur;
GC.Collect();
}
EndProgress?.Invoke();
results.ProcessingTime /= 1000;
results.TotalTime = (end - start).TotalSeconds;
results.AvgSpeed = blockSize * (double)(results.Blocks + 1) / 1048576 / results.ProcessingTime;
results.SeekTimes = seekTimes;
return(results);
}